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Kernel: Make the "in early boot" flag read-only-after-init

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This commit is contained in:
Andreas Kling 2021-06-18 16:40:56 +02:00
parent 7b3fdd178e
commit 3bf5e482cf
Notes: sideshowbarker 2024-07-18 12:04:29 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/3bf5e482cf1
1 changed files with 4 additions and 4 deletions
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8
Kernel/init.cpp
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@ -75,7 +75,7 @@ multiboot_module_entry_t multiboot_copy_boot_modules_array[16];
size_t multiboot_copy_boot_modules_count;
extern "C" const char kernel_cmdline[4096];
bool g_in_early_boot;
READONLY_AFTER_INIT bool g_in_early_boot;
namespace Kernel {
@ -259,15 +259,15 @@ void init_stage2(void*)
load_kernel_symbol_table();
// Switch out of early boot mode.
g_in_early_boot = false;
// NOTE: Everything marked READONLY_AFTER_INIT becomes non-writable after this point.
MM.protect_readonly_after_init_memory();
// NOTE: Everything marked UNMAP_AFTER_INIT becomes inaccessible after this point.
MM.unmap_memory_after_init();
// Switch out of early boot mode.
g_in_early_boot = false;
int error;
// FIXME: It would be nicer to set the mode from userspace.